Water filter



FIG. 1 is a perspective view of a water filter showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a side elevational view thereof, the opposite side being amirror image.

The broken line drawing in FIGS. 2-4 is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for a water filter, as shown and described.